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Browsing by Author "Williams, G. G"

Browsing by Author "Williams, G. G"

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  • Discovery and rapid follow-up observations of the unusual type II SN 2018ivc in NGC 1068 
    Bostroem, K. A; Valenti, S; Sand, D. J; Andrews, J. E; Van Dyk, S. D; Galbany, L; Pooley, D; Amaro, R. C; Smith, N; Yang, S; Anupama, G. C; Arcavi, I; Baron, E; Brown, P. J; Burke, J; Cartier, R; Hiramatsu, D; Dastidar, R; DerKacy, J. M; Dong, Y; Egami, E; Ertel, S; Filippenko, A. V; Fox, O. D; Haislip, J; Hosseinzadeh, G; Howell, D. A; Gangopadhyay, A; Jha, S. W; Kouprianov, V; Kumar, B; Lundquist, M; Milisavljevic, D; McCully, C; Milne, P; Misra, K; Reichart, D. E; Sahu, D. K; Sai, H; Singh, A; Smith, P. S; Vinko, J; Wang, X; Wang, Y; Wheeler, J. C; Williams, G. G; Wyatt, S; Zhang, J; Zhang, X (IOP Publishing, 2020-05-20)
    We present the discovery and high-cadence follow-up observations of SN 2018ivc, an unusual SNe II that exploded in NGC 1068 (D = 10.1 Mpc). The light curve of SN 2018ivc declines piecewise-linearly, changing slope ...
  • The Rapidly Flaring Afterglow of the Very Bright and Energetic GRB 070125 
    Updike, A. C; Haislip, J. B; Nysewander, M. C; Fruchter, A. S; Kann, D. A; Klose, S; Milne, P. A; Williams, G. G; Zheng, W; Hergenrother, C. W; Prochaska, J. X; Prochaska, J. X; Mirabal, N; Thorstensen, J. R; van der Horst, A. J; Starling, R. L. C; Racusin, J. L; Burrows, D. N; Kuin, N. P. M; Roming, P. W. A; Bellm, E; Hurley, K; Li, W; Filippenko, A. V; Blake, C; Starr, D; Falco, E. E; Brown, W. R; Dai, X; Deng, J; Xin, L; Qiu, Y; Wei, J; Urata, Y; Nanni, D; Palazzi, E; Greco, G; Bartolini, C; Guarnieri, A; Piccioni, A; Pizzichini, G; Terra, F; Misra, K; Bhatt, B. C; Anupama, G. C; Fan, X; Jiang, L; Wijers, R. A. M. J; Reichart, D. E; Eid, H. A; Bryngelson, G; Puls, J; Goldthwaite, R. C; Hartmann, D. H (The American Astronomical Society, 2008-09)
    We report on multiwavelength observations, ranging from X-ray to radio wave bands, of the IPN-localized gamma-ray burst GRB 070125. Spectroscopic observations reveal the presence of absorption lines due to O I, Si II, and ...

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